<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="query">
        <el-form-item>
          <el-input v-model="query.keyword" placeholder="角色名称/sn"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="getQueryRoles">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="this.pageInfo.dataList" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="角色名称" width="120" sortable>
      </el-table-column>

      <el-table-column prop="sn" label="sn" width="120" sortable>
      </el-table-column>


      <el-table-column label="操作" width="300">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
          <el-button type="warning" size="small" @click="handleAuth(scope.$index, scope.row)">授权</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <!--	<el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :page-size="this.query.pageSize" :total="this.pageInfo.total" style="float:right;">
        </el-pagination>-->
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page.sync="this.query.currentPage"
          :page-sizes="[5, 10, 15, 20]"
          :page-size="10"
          layout="total, sizes, prev, pager, next, jumper"
          style="float:right;"
          :total="this.pageInfo.total">
      </el-pagination>
    </el-col>



    <!--
      只有弹出模态框有这个问题 就是 v-model 绑定显示 不行 需要换成另一种写法 :visible.sync
      :rules="saveFormRules"  是规则
    -->
    <!--新增/修改界面-->
    <el-dialog title="新增/修改" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="角色名称" prop="name">
          <el-input v-model="saveForm.name"  auto-complete="off"></el-input>
        </el-form-item>



        <el-form-item label="sn" prop="sn">
          <el-input v-model="saveForm.sn" auto-complete="off"></el-input>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="addSubmit" :loading="addLoading">提交</el-button>
      </div>
    </el-dialog>
    <!-- 权限设置 -->
    <el-dialog title="设置权限" :visible.sync="setPermissionVisible" :close-on-click-modal="false">
      <el-form :model="rolePermission" label-width="80px" ref="saveForm">
        <el-checkbox :indeterminate="isIndeterminate" v-model="checkAll" @change="handleCheckAllChange">全选</el-checkbox>
        <div class="checkbox-table" v-for="(p,indexkey) in permissionTree" :key="p.sn">
          <template>
            <el-checkbox class="check1" style="font-weight: 600;margin-bottom: 15px "
                         v-model='rolePermission.permissionSns' :label="p.sn"
                         @change='handleCheck(1,indexkey)'>
              {{p.name}}
            </el-checkbox>
            <div style="margin-bottom: 20px;">
              <div v-for="c in p.children" class="line-check" :key="c.sn"
                   style="display: inline-block; margin-left: 20px;margin-bottom: 20px;" >
                <el-checkbox class="check2" @change='handleCheck(2,indexkey)'
                             v-model="rolePermission.permissionSns" :label="c.sn">
                  {{c.name}}
                </el-checkbox>
              </div>
            </div>
          </template>
        </div>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="setPermissionVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveRolePermission" :loading="saveLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>
import util from '../../common/js/util'
//import NProgress from 'nprogress'


export default {
  data() {
    return {
      query: {
        keyword: '',
        currentPage:1,
        pageSize:10
      },
      pageInfo:{
        dataList: [],
        total: 0
      },
      page: 1,
      listLoading: false,
      sels: [],//列表选中列




      saveFormVisible: false,//新增界面是否显示
      addLoading: false,
      saveFormRules: {
        name: [
          { required: true, message: '请输入角色名称', trigger: 'blur' }
        ],
        sn: [
          { required: true, message: '请输入角色sn', trigger: 'blur' }
        ]
      },
      //新增界面数据
      saveForm: {
        id:null,
        name:"",
        sn:""
      },
      setPermissionVisible :false, // 控制授权弹框是否显示
      rolePermission: {
        id:null,
        permissionSns: [] // 角色的权限集合
      } ,
      isIndeterminate:false, // 控制复选框不确定状态的
      checkAll: false, // 表示全选框是否为 全选状态
      permissionTree:[], // 表示所有的权限数据
      saveLoading:false,
      allPermissionSns:[]
    }
  },
  methods: {
    // 保存权限
    saveRolePermission(){
      this.$http.post("/role/permission",this.rolePermission)
          .then(result => {
            result = result.data;

            if(result.success){

              this.$message({ message: "保存成功",type: 'success'});
              this.setPermissionVisible=false
            }else{
              this.$message({ message: result.message,type: 'error'});
            }
          }).catch(result => {
        this.$message({ message: '/role/permission错误',type: 'error'});
      })
    },
    handleCheckAllChange(val){
      this.rolePermission.permissionSns = val ? this.allPermissionSns : [];
      this.isIndeterminate = false;
    },
    // 处理选择事件  type 1:一级权限2:二级权限   a：一级权限的索引位置
    handleCheck(type, a) { // 多选框   // 在已选中的权限列表中，查看是否存在一级权限 >-1 存在  <0 不存在

      let indexOf = this.rolePermission.permissionSns.indexOf(this.permissionTree[a].sn);
      if (type == 2) { // 二级菜单点击
        let index = 0;  //
        this.permissionTree[a].children.map(item => {
          // 已选中的权限列表中，是否包含当前一级权限下的某个子权限
          if (this.rolePermission.permissionSns.indexOf(item.sn) > -1) {

            index += 1;
          }
        })
        if (index > 0) {  // 已选中的权限列表中，包含当前一级权限下的某个子权限
          if (indexOf < 0) {  // 已选中的权限列表中，没有当前一级权限，则添加到已选中的权限列表中
            this.rolePermission.permissionSns.push(this.permissionTree[a].sn);
          }
        } else {  // // 已选中的权限列表中，不包含当前一级权限下的某个子权限
          if (indexOf > -1) {// 已选中的权限列表中，有当前一级权限，则删除
            this.rolePermission.permissionSns.splice(indexOf, 1);
          }
        }
      } else {  // 一级菜单点击
        if (indexOf > -1) { // 已选中的权限中，包含当前一级权限，则将该一级权限下所有的子权限选中
          this.permissionTree[a].children.map(item => {
            if (this.rolePermission.permissionSns.findIndex((n) => n == item.sn) < 0) {
              this.rolePermission.permissionSns.push(item.sn)
            }
          })
        } else {
          // 已选中的权限中，不包含当前一级权限，则将该一级权限下所有的子权限移除
          this.permissionTree[a].children.map(item => {
            if (this.rolePermission.permissionSns.findIndex((n) => n == item.sn) > -1) {
              this.rolePermission.permissionSns.splice(this.rolePermission.permissionSns.findIndex((n) => n == item.sn), 1);
            }
          })
        }
      }
      // 获取已选中的长度
      let checkedCount = this.rolePermission.permissionSns.length;
      // 如果已选中的长度==所有权限的长度，则checkAll=true，也就是全选框被选中
      this.checkAll = checkedCount === this.allPermissionSns.length;
      // 如果已选中的长度>0并且已选中的长度<所有权限的长度，则全选框是一个横杠
      this.isIndeterminate = checkedCount > 0 && checkedCount < this.allPermissionSns.length;
    },

    // 授权
    handleAuth(index,row){
      this.getPermissionTree()
      this.setPermissionVisible = true
      this.rolePermission.id = row.id
      this.getrolePermissionByid(this.rolePermission.id)
    },

    getrolePermissionByid(id){
      this.$http.get("/role/permission/"+id)
          .then(result => {
            result = result.data;
            if(result.success){

              this.rolePermission.permissionSns = result.resultObj

            }else{
              this.$message({ message: result.message,type: 'error'});
            }
          }).catch(result => {
        this.$message({ message: '/role/permission/错误',type: 'error'});
      })
    },
    // 获取权限树的方法
    getPermissionTree(){
      this.$http.get("/permission")
          .then(result => {
            result = result.data;
            if(result.success){
              this.permissionTree = result.resultObj;
              for(let i=0;i<this.permissionTree.length;i++){
                let p = this.permissionTree[i];
                this.allPermissionSns.push(p.sn);
                let c = p.children;
                if(c){
                  for(let j=0;j<c.length;j++){
                    this.allPermissionSns.push(c[j].sn);
                  }
                }
              }
            }else{
              this.$message({ message: result.message,type: 'error'});
            }
          }).catch(result => {
        this.$message({ message: '/permission系统错误',type: 'error'});
      })
    },
    handleSizeChange(val){
      this.query.pageSize = val;
      this.getRoles()
    },
    // 点击查询按钮
    getQueryRoles(){
      this.query.currentPage = 1
      this.getRoles()
    },

    handleCurrentChange(val) {
      this.query.currentPage = val;
      this.getRoles()
    },
    //获取部门列表
    getRoles() {
      // No 'Access-Control-Allow-Origin'
      // 只要看到浏览器报这个错误就是跨域问题 前后端分离的项目一定会有跨越问题
      this.listLoading = true;
      // 发请求
      // localhost:8080/role  全局的前缀
      this.$http.put("/role",this.query)
          .then(result=>{
            result = result.data
            if (result.success){
              this.$message({message: '查询成功', type: 'success' });
              this.listLoading = false;
              this.pageInfo = result.resultObj
              console.log(this.pageInfo.dataList);
            }else{
              this.$message({message: '查询失败', type: 'danger' });
            }
          })
          .catch(result=>{

          })

    },
    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true; // 模态框
        //NProgress.start();
        let para = { id: row.id };
        //发请求
        this.$http.delete("/role/"+row.id)
            .then(result=>{
              result = result.data
              if (result.success){
                this.$message({message: '删除成功', type: 'success' });
                this.listLoading = false;
                this.query.currentPage = 1;
                // 刷新列表
                this.getRoles()
              }else{
                this.$message({message: '删除失败', type: 'danger' });
              }
            })
      }).catch(() => {

      });
    },
    //显示编辑界面
    handleEdit: function (index, row) {
      this.saveFormVisible = true;
      this.saveForm = Object.assign({}, row);// 将行数据  赋值给  saveForm

    },
    //显示新增界面
    handleAdd: function () {
      this.saveFormVisible = true;
      this.saveForm = {
        id:null,
        name:"",

        sn:""
      }


    },

    //新增
    addSubmit: function () {
      this.$refs.saveForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.addLoading = true;
            let para = Object.assign({}, this.saveForm); // json格式的转换


            // 发请求
            this.$http.post("/role",para)
                .then(result=>{
                  result = result.data
                  if (result.success){
                    this.$message({message: '保存成功', type: 'success' });
                    this.addLoading = false;
                    this.saveFormVisible = false
                    // 刷新列表
                    this.getRoles()
                  }else{
                    this.$message({message: '保存失败', type: 'danger' });
                  }
                })
                .catch(result=>{
                  // 这里的catch是发请求都出了问题
                  this.$message({message: '网络异常,请检查您的网络', type: 'danger' });
                })
          }).catch({})


        }
      });
    },
    selsChange: function (sels) {
      this.sels = sels;
    },
    //批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        // 发请求
        this.$http.patch("/role",ids)
            .then(result=>{
              result = result.data
              if (result.success){
                this.$message({message: '批量删除成功', type: 'success' });
                this.listLoading = false;
                this.query.currentPage = 1;
                // 刷新列表
                this.getRoles()
              }else{
                this.$message({message: '批量删除失败', type: 'danger' });
              }
            })
            .catch(result=>{

            })
      })
          .catch(() => {

          });
    }
  },
  mounted() {
    this.getRoles();
  }
}

</script>

<style scoped>

</style>